1801768814 has 16 divisors (see below), whose sum is σ = 2786836752. Its totient is φ = 873233088.

The previous prime is 1801768799. The next prime is 1801768819. The reversal of 1801768814 is 4188671081.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1801768819) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 93599 + ... + 111194.

It is an arithmetic number, because the mean of its divisors is an integer number (174177297).

Almost surely, 2^1801768814 is an apocalyptic number.

1801768814 is a deficient number, since it is larger than the sum of its proper divisors (985067938).

1801768814 is a wasteful number, since it uses less digits than its factorization.

1801768814 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204931.

The product of its (nonzero) digits is 86016, while the sum is 44.

The square root of 1801768814 is about 42447.2474254810. The cubic root of 1801768814 is about 1216.8387236332.

The spelling of 1801768814 in words is "one billion, eight hundred one million, seven hundred sixty-eight thousand, eight hundred fourteen".